[Alas Babylon!]

A puritan is someone who wakes up in the middle of the night in a cold sweat knowing that somewhere, somehow, somebody is having a good time.
—H.L. Mencken

[rlmorel]

I have always loved that quote, but I might alter it a bit...

“A Leftist is someone who wakes up in the middle of the night in a cold sweat knowing that somewhere, somehow, somebody is enjoying something they don’t like.”